What are the pros and cons of finishing a basement?

• <div><p>When considering finishing your basement, take into account a few pros and cons:</p><p>Pros</p><ul><li><p>Can increase the value of your home</p></li><li><p>Separate space from the rest of the house </p></li><li><p>Customize and personalize the basement to suit your needs and style</p></li><li><p>Increase the amount of living space in your home</p></li></ul><p>Cons</p><ul><li><p>May not regain enough value to cover the cost of finishing</p></li><li><p>Lack of natural light if it’s below ground level</p></li><li><p>Moisture or flooding can cause costly damage</p></li><li><p>Installing plumbing and electrical can be messy and costly</p></li></ul><p></p></div>

How long does it take to frame a basement?

• <div><p>Framing a basement takes three to five days, on average, when completed by a professional, though it may take longer for a larger space. Keep in mind this doesn’t include the time to complete the design, obtain permits, and install the drywall on the framing. On average, fully finishing a basement takes an average of 45 days.</p></div>

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Q: Is an extension less expensive than a loft conversion?

• <div><p>Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.</p></div>

Q: What home projects do construction managers do?

• <div><p>In addition to overseeing new home builds, construction managers work on <a href="https://www.angi.com/articles/renovate-vs-remodel.htm">large renovations and major remodels</a>. For example, they may work with designers and oversee the construction of a finished basement, kitchen renovation, or a home addition. They may also oversee large-scale remodels, such as the update of a historic home. Construction managers step into small projects for more specific assistance, such as building budgets and compiling the team.</p></div>

Q: How much more expensive is finishing a basement than framing it?

• <div><p>The cost of finishing a basement is about <b>$18,400 on average</b>. As you can see, the framing portion of this project costs less, because you&rsquo;re essentially just dealing with laying the foundation for a finished basement. The finishing portion of the project involves a lot more intricate work and design, as well as high-end materials. </p></div>

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Verified Reviews for Basement Remodel pros in Onarga, IL

*The Angi rating for Basement Remodel companies in Onarga, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

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Last update on November 14, 2025

Reviewed in August 2025
I own a house which is around 90 years old. Its basement had compromised walls, one of which was seriously bowed. In addition, after heavy rain, the basement floor would be wet. I got estimates from three companies to correct these problems. Pivotal was a clear standout. The owner Jeff, his...
Pivotal Basement Solutions
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Reviewed in May 2025
This business did a full remodel of 25 units in 3 weeks. I plan on them doing many more.
Savage Renovations, LLC
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Reviewed in May 2024
The job done was exactly what we wanted. It was a remodel of an old deck and it looks great. The contract agreement was flexible to work with our needs and the quality of the workmanship was amazing. Very friendly and professional organization.
KODIAK IMPROVEMENTS, INC
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Reviewed in February 2016
The service I received from Family Waterproofing was phenomenal. Our basement rarely floods, but after a week or more of continual rains last summer, we got our first puddling, which kept my wife and I up in shifts for a few nights in a row working a shop vac to prevent any major damage. We...
Family Waterproofing Solutions
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Reviewed in July 2015
Went ok. Attic needed insulation, energy credits were good incentive. Illini Home Improvements was very clear about what they were going to do and what credits we would receive. Actually called on an earlier date than expected to come and complete job. Only problem was that I hadn't moved or...
Illini Home Improvements
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Reviewed in April 2014
I had some remodelling work done in the kitchen, getting new countertops. Kelly came to disconnect the old sink drains, faucet, and dishwasher in the morning before the countertops were installed. Following installation and allowing 24 hours for the silicone to dry, he returned to connect the...
Ameriplumb Plumbing Co.
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Reviewed in April 2011
Mr. Emery of Tremain Corp. was prompt, courteous, and professional in providing us with the information necessary to make the decision whether to go ahead with the project. A few days after the visit, we received a mailed formal mid-range estimate using a mid-tier tile giving us an idea of the...
Tremain Corp
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Reviewed in April 2008
In 2007, we bought a house out in the country that was built in 1992 and remodeled in 2003. There were several exterior doors that were in need of repainting. J&K came out to our home and gave us an estimate to do preparation work (including scraping the peeling paint, sanding and applying a...
J&K Painting
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Basement Remodeling

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Bathroom Remodeling

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Different level llc

Different level llc

My HandyMan Services

My HandyMan Services

Infinite Integrations

Infinite Integrations

Spectrum Design Group

Spectrum Design Group

2 Brothers Construction/Maintenance/Remodeling

2 Brothers Construction/Maintenance/Remodeling

City general contractors

City general contractors

Home Again Service

Home Again Service

JT Perfect Home Co

JT Perfect Home Co

Scofield Remodeling

Scofield Remodeling

Carroll Professional Contracting

Carroll Professional Contracting

The Onarga, IL homeowners’ guide to basement remodels

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How Much Does It Cost to Frame a Basement? [2025 Data]

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